Home / 52,615.86-72,611.44-28,742.92

Finding the Fourth Proportional to 52,615.86, 72,611.44 and 28,742.92

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Solution

The fourth proportional to 52,615.86, 72,611.44 and 28,742.92 is: 39,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,615.86 : 72,611.44 = 28,742.92 : x
  2. Step 2: Convert to fraction form
    52,615.86/72,611.44 = 28,742.92/x
  3. Step 3: Cross multiply
    52,615.86x = 72,611.44 × 28,742.92
  4. Step 4: Simplify right side
    52,615.86x = 2,087,064,811.00
  5. Step 5: Solve for x
    x = 2,087,064,811.00/52,615.86
  6. Step 6: Final answer
    x = 39,666.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.